Medium severity · published Jun 16, 2021
CVE-2021-28815
Insecure storage of sensitive information has been reported to affect QNAP NAS running myQNAPcloud Link
4.9
CVSS
1.7%
EPSS
No
On KEV
Description
Insecure storage of sensitive information has been reported to affect QNAP NAS running myQNAPcloud Link. If exploited, this vulnerability allows remote attackers to read sensitive information by accessing the unrestricted storage mechanism. This issue affects: QNAP Systems Inc. myQNAPcloud Link versions prior to 2.2.21 on QTS 4.5.3; versions prior to 2.2.21 on QuTS hero h4.5.2; versions prior to 2.2.21 on QuTScloud c4.5.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ML
Myqnapcloud Link · Qnap
before 2.2.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28815
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28815
Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-21-26
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